<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>美化预约按钮</title>
  <style>
    .pretty-button {
      display: inline-block;
      padding: 10px 20px;
      font-size: 16px;
      color: white;
      background-color: #4CAF50; /* 绿色背景 */
      border: none;
      border-radius: 4px; /* 圆角 */
      cursor: pointer; /* 鼠标悬停时变为小手图标 */
      transition: background-color 0.3s ease; /* 过渡效果 */
    }

    .pretty-button:hover {
      background-color: #45a049; /* 悬停时背景色变暗 */
    }
  </style>
</head>
<body>

<button class="pretty-button">预约</button>

</body>
</html>